연령증가에 따른 혈압요소들의 좌심실비대 및 관동맥질환과의 관련성

박재석,박창규,박미영,박재형,김용현,나진오,신성희,서순용,홍순준,박성미,임홍의,김응주,서홍석,오동주,노영무 대한순환기학회 2004 Korean Circulation Journal Vol.34 No.2

체적제어를 이용한 신뢰성 기반 위상 최적화

박재용,황승민,임민규,오영규,박재용,한석영 한국공작기계학회 2009 한국공작기계학회 춘계학술대회논문집 Vol.2009 No.-

This paper presents a reliability-based topology optimization (RBTO) using bi-directional evolutionary structural optimization (BESO). An actual design involves uncertain conditions such as material property, operational load and dimensional variation. Deterministic topology optimization (DTO) is obtained without considering of uncertainties related to the uncertainty parameters. However, the RBTO can consider the uncertainty variables because it has the probabilistic constraints. In this paper, the reliability index approach (RIA) is adopted to evaluate the probabilistic constraint. RBTO based on BESO starting from various design domains produces a similar optimal topology each other. Numerical examples are presented to compare the DTO with the RBTO.

韓國 傳統音樂의 現代化

朴在烈,羅仁容 연세대학교 대학원 1975 延世論叢 Vol.12 No.1

1. It was not untill the end of the nineteenth century that western composers began to concerned about the eastern music. Debussy was the first to hear the sooth eastern Gamelan music at an international exposition in 1889. He noticed differences between the western and eastern music. He found himself much attracted by the eastern music. Composers of eastern countries were also conscious of the distinction of their own national music and began to studs it methodically in an effort to modernize it. 2. In serch of methods of modernizing the Korean traditional music, we have analyzed of western composers' works in the eastern style. We haute also made an analysis of the technique and method of the original creative works of eastern as well as Korean composers. We have performed several distinguished pieces that are described above, and studied the response and opinions of the performers, composers and audience. 3. In the history of the twentieth century music. the thirst new movement was the Impressionism of Debussy that arose against the romantism of nineteenth century, and then atonalism and Neo-classicism. The twentieth century, especially afther World War II, has show us a richer variety in trends of music than anti other in terms of materials and technique. The trends mar be divided as follows; atonal, music concret, electronic synthesizer and mix-media. 4. It is to be noted from this study that there are a few western composers who have been influenced by the eastern music and the eastern conception thereof. Debussy's "La mer 1905" is based on the principle of the Gamelan music which is characterized by the elaborated them and sonority that is largely an admixture of a number of melodic, rhythemic, registral and timbral variants of a single linear movement. E. Varese's concept of music as "organized sound" and of sound as "living matter" is a modern western parellel of a pervasive chinese concept. J. Cage's "4' 33" "was influenced by the Chinese concept of "Zen" which is the philosophy of silence. H. Cowell used the material of Indian music in his "Madras symphony", and that of Japanese music in his "Concerto for Koto and Orchestra, 1964". 5. Since the second world war, Japanese contemporary music was made a remarkable progress. Japanese composers have tried to create a modern style of their own by combining the traditional Japanese material with the western technique. Matsudairaa Yoritsune's "Theme and Variation for Piano and Orchestra" is a piece of modernized A-ak using the three series. Takemitsu, Toru used two Japanese traditional instruments in addition to the regular western orchestra in .his "November step". This piece attracted much attention from composers. Mayuzumi Toshiro(1929) who is a representative Japanese contemporary composer, composed the modernized A-ak "Showa-Tempyo-Raku" for the orchestra of Japanese traditional instruments. In this piece, he thought, the harmonic structure of "Shang" in similar to the tone-cluster of western terminologe. The three composers have had the same purpose in view, even if their methods are different to modernize the Eastern music. 6, Korea has a relatively short history of contemporary music, much due to the social disturbance following world war II and the Korean War (1950-1953). Since the nineteen-sixties, the composers have become more active in their composition. The proposition of this period is "the spirit of the time" and "nationalism". La, un-yung's "Symphony No. 9" is based on the style of Neo-nationalism, Neo-primitivism and pointillism. This work is composed for a few traditional Korean instruments, Chang-ko, Je-keum, Jing, and the western orchestra. The form is the Korean style of "San-jo, Jinyangjo, Joong-mori, etc. With Korean folk rhythem, using the nine special mods, this work is a much modernized Korean style music. Jae-Youl Park's "Sanjo for five instruments" is lased on the free serial technique and proportional notation. Especially the vibrato, glissando and pizzicato of the Flute, Clarinet, Violin and Cello are effective in creating the unique Korean mood. In J. Y. Park's "Fantasy in Space" the composer tried to get the image of Korea, combining the three different medias; slide, dancing and music. In the J.Y Park's "Keyong for percussions and orchestra" the composer tried to invoke the eastern atmosphere of meditation in the first movement. In the second movement, to create the atmosphere of Sanjo, the work employed the original rhythem of San-jo and serie of C. D.F #, Bb using the Korean traditional instruments of the Jango, Unla. The third movement is a variation of the Korean traditional agricultural music. In the In Yong La's "Yung Myung Song, for Kaya-keum, Dae-keum, Flute and Chamber Ensemble", Kaya-keum is changed from the original tuning. Flute is used without headjoint using the traditional notation and graphic notation. This piece indicates the passibility of a new way to compose the piece of combination of Korean traditional instruments and western instruments. In the IsangYun's "Yeak", the composer excellently presented the characteristics of A-ak in the method of accent, trill and glissando with tone cluster using the serial technique. To compose the modernized Korean style music, as describedabove, further studies are required of the method of combination of the Korean material with the contemporary western technique. For this thesis, we had; 1. The first New Music Forum 1) Date : 23 April, 1973, 6:00 P.M. 2) Place : Orchestsra Room, Yonsei University 3) Performer : Yonsei New Music Ensemble 2. The 2nd New Music Forum 1) Datse : 15 November, 1973, 7:00 p.M. 2) Place : Auditorium, Yonsei University 3) Performer : Yonsei New Music Ensemble Korean Navy Percussion Ensemble 3. The exhibition of New Music Compositions. 1) Date : 10-13 rune, 1974 2) Place : Student Hall, Yonsei University.

조기 대장암

이재범,박영진,박군주,김선회,박재갑,이건욱,박용현,최국진,김진복 대한대장항문학회 1998 Annals of Coloproctolgy Vol.14 No.3

코골이 및 폐쇄성 수면무호흡증에서 Laser-assisted Uvulopalatoplasty와 LaserUvulopalatopharyngoplasty의 치료 성적 : 장기추적관찰후 환자 만족도 조사

김재호,이윤식,박형욱,송용진,남순열,김용재,이봉재 대한이비인후과학회 2000 대한이비인후과학회지 두경부외과학 Vol.43 No.2

외국문화 이식을 위한 외국어 실력을 대학교육기간내에 기를 수 있는 교과과정 및 교재와 설비에 관한 연구

최용재,박재만,박윤환,정봉택,최용섭 朝鮮大學校 1977 綜合論文集 Vol.1977 No.-

This paper aims to find ways of tackling stagnant factors in the foreign language education on the college level. Here the foreign language learning is geared to a working command of the foreign language with the view to having access of the advanced foreign technology. And the working command of the foreign language requires not only language skills but a thorough understanding of the cultural background of the language. However, to incorporate all of the cultural aspects into a textbook is a really exhaustive work and is too bulky for a short course to handle all the aspect of the culture. A partial mastery is to be recommended with a condition that a spiral approach must be used to cover pertinant aspects and, in some cases, peripheral aspects which play important key roles. As to the methodology of the lesson, this paper is not to side any one method and it rather intends to persuade using any method out of the whole spectrum of the methodolgy which comes handiest in the specific occasion. This paper also believes that "All methods are best!" However, the present situation in Korea seems to draw a conclusion on the foreign language education as a reading skill is most desirable. Reading materials must indeed be ones which cover all the aspects of the foreign culture in question and must also be such day-by-day reading materials as newspapers, magezines, and everyday documents. This paper eventually tries to make suggestions that; (1) the foreign language education should be extended over the full-four-year period of time with five to ten hours of the foreign language class a week; (2) only the elites should be admitted to the foreign language class who are to be screened by tests of aptitude, intelligence, motivation, and attitude; (3) the size of a class should not exceed the limit of ten students; (4) the text book should not be limited to a book, though it encloses every items of a culture, but be flexible to permit other every day reading materials come into the class; (5) language laboratory should be exploited; (6) a bilingual education is strongly recommended. This paper also gives way to textbook developers and teachers in the classrooms as to the efforts and merits of materializing and realizing the ideas enumerated here.

서울의 Penicillinase Producing Neisseria gonorrhoeae 발생빈도(1998)

김재홍,김준호,반재용,이정우,황성주,정준규,정성태,강진문,조흔정,홍창의,정혜신,이한승,김이선,이봉길,이종호,선영우,한기덕,윤성필,이성훈,안종성,박석범,문승현,조항래,김형섭,류지호,황재영,박준홍,손상욱 한양대학교 의과대학 2001 한양의대 학술지 Vol.21 No.1

In recent years, gonorrhea has been pandemic and remains one of the most common STDs in the world, especially in developing countries. For the detection of a more effective therapeutic regimen and assessing the prevalence of Penicillinase Producing Neisseria gonorrhoeae(PPNG), we have been trying to study the patients who have visited the Venereal Disease Clinic of Choong-Ku Public Health Center in Seoul since 1980 by menas of the chromogenic cephalosporin method. In 1998, 93 strians of N. genorrhoeae were isolated, among which 60(64.5%) were PPNG. The prevalence of PPNG in Seoul, which had been decreased to 39% in 1996 after a peak of 74.3% in 1993, is increased to 64.5% in 1998.

ESO기법을 이용한 신뢰성 기반 형상 최적설계

오영규,박재용,황승민,임민규,박재용,한석영 한국공작기계학회 2009 한국공작기계학회 춘계학술대회논문집 Vol.2009 No.-

This paper presents a reliability-based shape optimization (RBSO) using the evolutionary structural optimization (ESO). An actual design involves uncertain conditions such as material property, operational load and dimensional variation. The deterministic optimization (DO) is obtained without considering uncertainties related to uncertainty parameters. However, the RBSO can consider the uncertainty variables because it has the probabilistic constraints. In order to determine whether the probabilistic constraint is satisfied or not, simulation techniques and approximation methods are developed. In this paper, the reliability-based shape design optimization method is proposed by utilizing the reliability index approach (RIA), performance measure approach (PMA), single-loop single-vector (SLSV), adaptive-loop (AOL) are adopted to evaluate the probabilistic constraint. In order to apply the ESO method to the RBSO, a sensitivity number is defined as the change in the displacement. Numerical examples are presented to compare the DO with the RBSO. The results of design example show that the RBSO model more reliable than deterministic shape optimization.

계룡산국립공원의 나비류 군집에 관한 연구

전성재 ( Sung Jae Jeon ),조영호 ( Young Ho Cho ),한용구 ( Yong Gu Han ),김영진 ( Young Jin Kim ),최민주 ( Min Joo Choi ),박영준 ( Young Jun Park ),남상호 ( Sang Ho Nam ) 한국환경생태학회 2012 한국환경생태학회지 Vol.26 No.3

고도의 변화는 종 다양성 및 풍부도 그리고 생물 종 구성에 있어 매우 중요한 역할을 하는 요인으로 최근에는 나비를 비롯하여 곤충의 고도에 따른 분포 형태에 관하여 많은 관심이 집중되고 있다. 본 논문에서는 계룡산국립공원의 고도에 따른 나비분포를 조사하여, 종 보전 및 효율적인 관리방안을 제시하고자 하였다. 본 연구에서는 고도가 증가함에 따라 종과 개체수가 감소하는 경향이 나타났으며, 이는 수관울폐로 인한 그늘의 증가가 원인일 것으로 사료된다. 고도의 영향 이외에도 종의 분포에 영향을 주는 요인을 분석한 결과, 경사도 및 식생군락 그리고 수계거리가 종의 분포 변화와 상관관계가 있는 것으로 조사되었다. 이러한 종들은 먹이식물과 밀접한 관련이 있으므로 추후에 숲 내부의 변화를 감지하는데 적합한 생물지표종을 선정한다면 시간과 비용을 감소시킬 수 있을 뿐만 아니라 효율적인 생물다양성 평가를 내릴 수 있을 것으로 판단된다. 또한 추후에 기후 및 미기후, 그리고 먹이식물과 같은 환경요인들의 자료를 축적하고 정량화 할 경우 나비 분포를 예측할 수 있어 종 보전에 있어 더 효율적이라고 사료된다. Altitude is a factor that plays an important role in the diversity, richness and composition of species. Recently, much attention has been paid to the distribution of butterflies and insects according to altitude. The purpose of this article is to propose a method to preserve and manage species efficiently by reviewing the distribution of butterflies according to different altitudes in Mt. Gyeryong National Park. This study found that the number of species and individuals decreased as the altitude increased, possibly due to the increased amount of shade caused by the crown density. When analyzing the factors influencing the distribution of species other than altitude, it was found that the slope, vegetative colonies and hydrosphere distance were correlated with the change in species distribution. As these species are closely related to food plants, it may save time and reduce the cost as well as allow an efficient evaluation of the bio-diversity if these species are selected as biological indicator species suitable for detecting the changes in the forest. It is judged to be a more efficient means of species preservation to accumulate and quantify the materials regarding environmental elements such as the climate, microclimate and food plants, as this would allow the butterfly distribution to be estimated.

신뢰성 지수에 의한 위상최적화

임민규,박재용,황승민,오영규,박재용,한석영 한국공작기계학회 2009 한국공작기계학회 춘계학술대회논문집 Vol.2009 No.-

The objective of this work is to integrate reliability analysis into topology optimization problems. The reliability index determines design domain and uncertainty value. The elemental sensitivity numbers are calculated from finite element analysis and then converted to the nodal sensitivity numbers in the design domain. A mesh-independency filter using nodal variables is introduced to determine the addition of elements and eliminate unnecessary structural details below a certain length scale in the design. To further enhance the convergence of the optimization process, the accuracy of elemental sensitivity numbers is improved by its historical information. Application of the RBTO model gives a different topology relative to DTO. It is found that the RBTO model yields more reliable optimal topologies than those produced by DTO.